How you need to remember the answer by writing it down
Answer:
In active transport, molecules are moving against a concentration gradient (or membrane), meaning the cell moves materials from an area of low concentration to an area of high concentration. ... Passive transport, on the other hand, is the movement of molecules from higher to lower concentration.
Explanation:
I believe the answer is smooth muscle, because smooth muscle is needed for peristalsis in the intestines.
Hope this helps!:)
